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SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...

Open CASCADE Technology, an environment for 3D modeling and development of numerical simulation software including CAD/CAM/CAE, AEC and GIS, as well as PDM applications.

Open Source Alternative helps you find free and open source alternatives to your favourite commerical software. Now enjoy your favourite software without having to spend huge bucks and be a part of the wonderful open source community.

Design World Online helps engineers and other industry professionals stay up-to-date with engineering videos, manufacturing parts information, industrial news and more.

osalt.com helps recommend a open source software alternative or replacement for commercial products and even shareware. Remember that open source software is also a freeware alternative.

The best freeware reviews presented to you by Gizmo

AlternativeTo let you find new PC (Windows, Linux), Mac, iPhone, Android, Web/Online software based on applications you already know instead of useless categories. We make each application into a category. (AlternativeTo is sometimes called alternati...